ECC-1521: Drop support for 32-bit architectures

CMakeLists.txt

@@ -65,6 +65,11 @@ ecbuild_debug("ECCODES_BIG_ENDIAN=${ECCODES_BIG_ENDIAN}")
 ecbuild_debug("ECCODES_LITTLE_ENDIAN=${ECCODES_LITTLE_ENDIAN}")
 ecbuild_info("Operating system=${CMAKE_SYSTEM} (${EC_OS_BITS} bits)")
 
+# Only support 64 bit operating systems
+if( NOT EC_OS_BITS EQUAL "64" )
+    ecbuild_critical( "Operating system ${CMAKE_SYSTEM} ${EC_OS_BITS} bits -- ecCodes only supports 64 bit OS's" )
+endif()
+
 ###############################################################################
 # some variables/options of this project
 
@@ -315,11 +320,6 @@ if( IEEE_LE )
     set( IEEE_BE 0 )
 endif()
 
-set( ECCODES_ON_LINUX_32BIT 0 )
-if( EC_OS_NAME MATCHES "linux" AND EC_OS_BITS EQUAL "32" )
-    set( ECCODES_ON_LINUX_32BIT 1 )
-endif()
-
 set( ECCODES_ON_WINDOWS 0 )
 if( EC_OS_NAME MATCHES "windows" )
     # Symbols need to be explicitly exported on Windows so we can link to dlls.

eccodes_config.h.in

@@ -53,7 +53,6 @@
 #cmakedefine ECCODES_HAVE_REALPATH
 #cmakedefine ECCODES_HAVE_FSYNC
 #cmakedefine ECCODES_HAVE_FDATASYNC
-#cmakedefine ECCODES_ON_LINUX_32BIT
 
 #if defined(EC_HAVE_ASSERT_H) || defined(ECCODES_HAVE_ASSERT_H)
 #define   HAVE_ASSERT_H 1

tests/grib_second_order.sh

@@ -153,11 +153,7 @@ grib_check_key_equals $temp3 packingType,accuracy 'grid_second_order 24'
 
 # ECC-1219: packingType conversion from grid_ieee to grid_second_order
 # ---------------------------------------------------------------------
-if [ $ECCODES_ON_LINUX_32BIT -eq 1 ] ; then
-    ALLOWED_ERROR=7e-06
-else
 ALLOWED_ERROR=3e-06
-fi
 if [ $ECCODES_ON_WINDOWS -eq 0 ]; then
     infile=grid_ieee.grib
     ${tools_dir}/grib_set -r -s packingType=grid_second_order $infile $temp1

tests/grib_sh_ieee64.sh

@@ -20,9 +20,5 @@ if [ $ECCODES_ON_WINDOWS -eq 1 ]; then
     echo "$0: This test is currently disabled on Windows"
     exit 0
 fi
-if [ $ECCODES_ON_LINUX_32BIT -eq 1 ]; then
-    echo "$0: This test is currently disabled on Linux 32 bit system"
-    exit 0
-fi
 
 $EXEC $test_dir/grib_sh_ieee64

tests/include.ctest.sh.in

@@ -67,7 +67,6 @@ HAVE_PNG=@HAVE_PNG@
 HAVE_AEC=@HAVE_AEC@
 HAVE_EXTRA_TESTS=@HAVE_EXTRA_TESTS@
 HAVE_MEMFS=@HAVE_MEMFS@
-ECCODES_ON_LINUX_32BIT=@ECCODES_ON_LINUX_32BIT@
 ECCODES_ON_WINDOWS=@ECCODES_ON_WINDOWS@
 
 echo "Current directory: `pwd`"